Card file rail system insert



FIG. 1 is a perspective view of a card file rail system insert;

FIG. 2 is a bottom view of the card file rail system insert shown in FIG. 1;

FIG. 3 is a top plan view of the card file rail system insert shown in FIG. 1;

FIG. 4 is a right view of the card file rail system insert shown in FIG. 1;

FIG. 5 is a left view of the card file rail system insert shown in FIG. 1;

FIG. 6 is a front elevational view of the card file rail system insert shown in FIG. 1; and,

FIG. 7 is a rear elevational view of the card file rail system insert shown in FIG. 1. 

We claim the ornamental design for the card file rail system insert, as shown and described. 